void PatchMethods()
        {
            MethodTable methodTable = (MethodTable)stripped_tables [MethodTable.RId];

            if (methodTable == null)
            {
                return;
            }

            RVA method_rva = RVA.Zero;

            for (int i = 0; i < methodTable.Rows.Count; i++)
            {
                MethodRow methodRow = methodTable[i];

                MetadataToken methodToken = MetadataToken.FromMetadataRow(TokenType.Method, i);

                MethodDefinition method = (MethodDefinition)assembly.MainModule.LookupByToken(methodToken);

                method_rva = method_rva != RVA.Zero
                                        ? method_rva
                                        : reflection_writer.CodeWriter.WriteMethodBody(method);

                methodRow.RVA = method_rva;
            }
        }
        void ReadMethods()
        {
            if (!m_tHeap.HasTable(MethodTable.RId))
            {
                m_meths = new MethodDefinition [0];
                return;
            }

            MethodTable mTable = m_tableReader.GetMethodTable();

            m_meths = new MethodDefinition [mTable.Rows.Count];
            for (int i = 0; i < mTable.Rows.Count; i++)
            {
                MethodRow        mRow = mTable [i];
                MethodDefinition meth = new MethodDefinition(
                    m_root.Streams.StringsHeap [mRow.Name],
                    mRow.Flags);
                meth.RVA            = mRow.RVA;
                meth.ImplAttributes = mRow.ImplFlags;

                meth.MetadataToken = MetadataToken.FromMetadataRow(TokenType.Method, i);

                m_meths [i] = meth;
            }
        }
        void CompleteMethods()
        {
            TypeDefTable tdefTable = m_tableReader.GetTypeDefTable();

            if (!m_tHeap.HasTable(MethodTable.RId))
            {
                m_meths = new MethodDefinition [0];
                return;
            }

            MethodTable methTable  = m_tableReader.GetMethodTable();
            ParamTable  paramTable = m_tableReader.GetParamTable();

            if (!m_tHeap.HasTable(ParamTable.RId))
            {
                m_parameters = new ParameterDefinition [0];
            }
            else
            {
                m_parameters = new ParameterDefinition [paramTable.Rows.Count];
            }

            for (int i = 0; i < m_typeDefs.Length; i++)
            {
                TypeDefinition dec = m_typeDefs [i];

                int index = i, next;

                if (index == tdefTable.Rows.Count - 1)
                {
                    next = methTable.Rows.Count + 1;
                }
                else
                {
                    next = (int)(tdefTable [index + 1]).MethodList;
                }

                for (int j = (int)tdefTable [index].MethodList; j < next; j++)
                {
                    MethodRow        methRow = methTable [j - 1];
                    MethodDefinition mdef    = m_meths [j - 1];
                    if (mdef.IsConstructor)
                    {
                        dec.Constructors.Add(mdef);
                    }
                    else
                    {
                        dec.Methods.Add(mdef);
                    }
                    GenericContext context = new GenericContext(mdef);

                    MethodDefSig msig = m_sigReader.GetMethodDefSig(methRow.Signature);
                    mdef.HasThis           = msig.HasThis;
                    mdef.ExplicitThis      = msig.ExplicitThis;
                    mdef.CallingConvention = msig.MethCallConv;

                    int prms;
                    if (j == methTable.Rows.Count)
                    {
                        prms = m_parameters.Length + 1;
                    }
                    else
                    {
                        prms = (int)(methTable [j]).ParamList;
                    }

                    ParameterDefinition retparam = null;

                    //TODO: optimize this
                    ParamRow pRow  = null;
                    int      start = (int)methRow.ParamList - 1;

                    if (paramTable != null && start < prms - 1)
                    {
                        pRow = paramTable [start];
                    }

                    if (pRow != null && pRow.Sequence == 0)                       // ret type
                    {
                        retparam = new ParameterDefinition(
                            m_root.Streams.StringsHeap [pRow.Name],
                            0,
                            pRow.Flags,
                            null);
                        retparam.Method      = mdef;
                        m_parameters [start] = retparam;
                        start++;
                    }

                    for (int k = 0; k < msig.ParamCount; k++)
                    {
                        int pointer = start + k;

                        if (paramTable != null && pointer < prms - 1)
                        {
                            pRow = paramTable [pointer];
                        }

                        Param psig = msig.Parameters [k];

                        ParameterDefinition pdef;
                        if (pRow != null)
                        {
                            pdef = BuildParameterDefinition(
                                m_root.Streams.StringsHeap [pRow.Name],
                                pRow.Sequence, pRow.Flags, psig, context);
                            pdef.MetadataToken     = MetadataToken.FromMetadataRow(TokenType.Param, pointer);
                            m_parameters [pointer] = pdef;
                        }
                        else
                        {
                            pdef = BuildParameterDefinition(
                                string.Concat("A_", mdef.IsStatic ? k : k + 1),
                                k + 1, (ParamAttributes)0, psig, context);
                        }

                        pdef.Method = mdef;
                        mdef.Parameters.Add(pdef);
                    }

                    mdef.ReturnType = GetMethodReturnType(msig, context);
                    MethodReturnType mrt = mdef.ReturnType as MethodReturnType;
                    mrt.Method = mdef;
                    if (retparam != null)
                    {
                        mrt.Parameter = retparam;
                        mrt.Parameter.ParameterType = mrt.ReturnType;
                    }
                }
            }

            uint eprid = CodeReader.GetRid((int)m_reader.Image.CLIHeader.EntryPointToken);

            if (eprid > 0 && eprid <= m_meths.Length)
            {
                m_module.Assembly.EntryPoint = GetMethodDefAt(eprid);
            }
        }